The Valve,poppet,engine, cataloged under National Stock Number 2815-00-375-2698, is classified within Federal Supply Class 2815 (Diesel Engines and Components) of the Engines, Turbines, and Components group. Government technical data includes 15 specifications, cited from the U.S. Government catalog. 4 additional reference documents (drawings, advisory and superseded references) are recorded in the U.S. Government catalog. 1 item shares a part number with this NSN in the catalog (possible match — not a government interchangeability claim). Current acquisition status: Active.
| Parameter | Value |
|---|---|
| NSN | 2815-00-375-2698 |
| Item Name | Valve,poppet,engine |
| FSC / FSG | 2815 / 28 — Diesel Engines and Components |
| Status | ACTIVE |
| Stem Diameter | 0.4350 INCHES MINIMUM AND 0.4355 INCHES MAXIMUM IN |
| Head Height | 0.1770 INCHES MINIMUM AND 0.1970 INCHES MAXIMUM IN |
| Stem Length | 7.5205 INCHES MINIMUM AND 7.5355 INCHES MAXIMUM IN |
| Seat Angle in Deg | 45.0 |
| Chamfer Length | 0.0300 INCHES NOMINAL IN |
| Neck Radius | 0.3200 INCHES NOMINAL IN |
| Groove Diameter | 0.3590 INCHES MINIMUM AND 0.3650 INCHES MAXIMUM IN |
| Metallic Hardness Rating and Location | 43.0 ROCKWELL C MINIMUM TIP |
| Distance From Groove to Stem End | 0.2735 INCHES MINIMUM AND 0.2885 INCHES MAXIMUM IN |
| Outside Diameter | 1.7760 INCHES MINIMUM AND 1.7860 INCHES MAXIMUM IN |
| Stem Style | GROOVED |
| Head Style | FLAT |
| Carbon Relief Groove | NOT INCLUDED |
| Chamfer Angle in Deg | 45.0 |
| Groove Width | 0.1560 INCHES MINIMUM AND 0.1660 INCHES MAXIMUM IN |
| Acquisition Status | ACTIVE |
| DEMIL Code | DEMIL A — No Demilitarization Required |
| Hazard | No hazard code in the DLA record (HMIC N) |
| Criticality Code | X |
| Reference | Meaning |
|---|---|
| XC39804 | 3/9 Design control — primary reference U.S. Government activity |
| 83422041 | 5/9 Secondary reference Custom Applied Power Corp |
| 292457 | 5/9 Secondary reference Universal Motors-Oshkosh a Div of Medalist Industries Inc |
| 83422041 | 5/9 Secondary reference Universal Motors-Oshkosh a Div of Medalist Industries Inc |
NSN 2815-00-375-2698 is a Valve,poppet,engine, classified under FSC 2815, Diesel Engines and Components. Status: active.
1 possible match (shared part number, not a government interchangeability claim): 4820-01-229-6101. Verify interchangeability with system specifications before substitution.
Key specifications for 2815-00-375-2698: Stem Diameter: 0.4350 INCHES MINIMUM AND 0.4355 INCHES MAXIMUM IN; Head Height: 0.1770 INCHES MINIMUM AND 0.1970 INCHES MAXIMUM IN; Stem Length: 7.5205 INCHES MINIMUM AND 7.5355 INCHES MAXIMUM IN; Seat Angle in Deg: 45.0. 15 specifications are documented in the U.S. Government catalog.
No hazard code in the DLA record (HMIC N). Hazard information on this page is shown exactly as it appears in the DLA record.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-16.
U.S. Government catalog: edition PUBLOGDVD v12.0.0 (OCT 2026), edition date 2026-10-01, retrieved 2026-10-18.